1 /* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/Exception.hpp"
7 #include "simgrid/actor.h"
8 #include "simgrid/modelchecker.h"
9 #include "simgrid/s4u/Actor.hpp"
10 #include "simgrid/s4u/Exec.hpp"
11 #include "simgrid/s4u/Host.hpp"
12 #include "simgrid/s4u/VirtualMachine.hpp"
13 #include "src/include/mc/mc.h"
14 #include "src/kernel/EngineImpl.hpp"
15 #include "src/kernel/activity/ExecImpl.hpp"
16 #include "src/mc/mc_replay.hpp"
17 #include "src/surf/HostImpl.hpp"
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_actor, s4u, "S4U actors");
26 template class xbt::Extendable<s4u::Actor>;
30 xbt::signal<void(Actor&)> s4u::Actor::on_creation;
31 xbt::signal<void(Actor const&)> s4u::Actor::on_suspend;
32 xbt::signal<void(Actor const&)> s4u::Actor::on_resume;
33 xbt::signal<void(Actor const&)> s4u::Actor::on_sleep;
34 xbt::signal<void(Actor const&)> s4u::Actor::on_wake_up;
35 xbt::signal<void(Actor const&, Host const& previous_location)> s4u::Actor::on_host_change;
36 xbt::signal<void(Actor const&)> s4u::Actor::on_termination;
37 xbt::signal<void(Actor const&)> s4u::Actor::on_destruction;
39 // ***** Actor creation *****
42 const kernel::context::Context* self_context = kernel::context::Context::self();
43 if (self_context == nullptr)
46 return self_context->get_actor()->get_ciface();
49 ActorPtr Actor::init(const std::string& name, s4u::Host* host)
51 const kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
52 kernel::actor::ActorImpl* actor =
53 kernel::actor::simcall([self, &name, host] { return self->init(name, host).get(); });
54 return actor->get_iface();
57 /** Set a non-default stack size for this context (in Kb)
59 * This must be done before starting the actor, and it won't work with the thread factory. */
60 ActorPtr Actor::set_stacksize(unsigned stacksize)
62 pimpl_->set_stacksize(stacksize * 1024);
66 ActorPtr Actor::start(const std::function<void()>& code)
68 simgrid::kernel::actor::simcall([this, &code] { pimpl_->start(code); });
72 ActorPtr Actor::create(const std::string& name, s4u::Host* host, const std::function<void()>& code)
74 const kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
75 kernel::actor::ActorImpl* actor =
76 kernel::actor::simcall([self, &name, host, &code] { return self->init(name, host)->start(code); });
78 return actor->get_iface();
81 ActorPtr Actor::create(const std::string& name, s4u::Host* host, const std::string& function,
82 std::vector<std::string> args)
84 const simgrid::kernel::actor::ActorCodeFactory& factory =
85 simgrid::kernel::EngineImpl::get_instance()->get_function(function);
86 return create(name, host, factory(std::move(args)));
89 void intrusive_ptr_add_ref(const Actor* actor)
91 intrusive_ptr_add_ref(actor->pimpl_);
93 void intrusive_ptr_release(const Actor* actor)
95 intrusive_ptr_release(actor->pimpl_);
97 int Actor::get_refcount() const
99 return pimpl_->get_refcount();
102 // ***** Actor methods *****
104 void Actor::join() const
109 void Actor::join(double timeout) const
111 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
112 const kernel::actor::ActorImpl* target = pimpl_;
113 kernel::actor::simcall_blocking([issuer, target, timeout] {
114 if (target->finished_) {
115 // The joined actor is already finished, just wake up the issuer right away
116 issuer->simcall_answer();
118 kernel::activity::ActivityImplPtr sync = issuer->join(target, timeout);
119 sync->register_simcall(&issuer->simcall_);
124 void Actor::set_auto_restart(bool autorestart)
126 kernel::actor::simcall([this, autorestart]() {
127 xbt_assert(autorestart && not pimpl_->has_to_auto_restart()); // FIXME: handle all cases
128 pimpl_->set_auto_restart(autorestart);
130 auto* arg = new kernel::actor::ProcessArg(pimpl_->get_host(), pimpl_);
131 XBT_DEBUG("Adding %s to the actors_at_boot_ list of Host %s", arg->name.c_str(), arg->host->get_cname());
132 pimpl_->get_host()->get_impl()->add_actor_at_boot(arg);
136 void Actor::on_exit(const std::function<void(bool /*failed*/)>& fun) const
138 kernel::actor::simcall([this, &fun] { pimpl_->on_exit->emplace_back(fun); });
141 void Actor::set_host(Host* new_host)
143 const s4u::Host* previous_location = get_host();
145 kernel::actor::simcall([this, new_host]() {
146 for (auto const& activity : pimpl_->activities_) {
147 // FIXME: implement the migration of other kinds of activities
148 if (auto exec = boost::dynamic_pointer_cast<kernel::activity::ExecImpl>(activity))
149 exec->migrate(new_host);
151 this->pimpl_->set_host(new_host);
154 s4u::Actor::on_host_change(*this, *previous_location);
157 s4u::Host* Actor::get_host() const
159 return this->pimpl_->get_host();
162 void Actor::daemonize()
164 kernel::actor::simcall([this]() { pimpl_->daemonize(); });
167 bool Actor::is_daemon() const
169 return this->pimpl_->is_daemon();
172 const simgrid::xbt::string& Actor::get_name() const
174 return this->pimpl_->get_name();
177 const char* Actor::get_cname() const
179 return this->pimpl_->get_cname();
182 aid_t Actor::get_pid() const
184 return this->pimpl_->get_pid();
187 aid_t Actor::get_ppid() const
189 return this->pimpl_->get_ppid();
192 void Actor::suspend()
194 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
195 kernel::actor::ActorImpl* target = pimpl_;
196 s4u::Actor::on_suspend(*this);
197 kernel::actor::simcall_blocking([issuer, target]() {
199 if (target != issuer) {
200 /* If we are suspending ourselves, then just do not finish the simcall now */
201 issuer->simcall_answer();
208 kernel::actor::simcall([this] { pimpl_->resume(); });
209 s4u::Actor::on_resume(*this);
212 bool Actor::is_suspended() const
214 return pimpl_->is_suspended();
217 void Actor::set_kill_time(double kill_time)
219 kernel::actor::simcall([this, kill_time] { pimpl_->set_kill_time(kill_time); });
222 /** @brief Get the kill time of an actor(or 0 if unset). */
223 double Actor::get_kill_time() const
225 return pimpl_->get_kill_time();
230 const kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
231 kernel::actor::simcall([this, self] { self->kill(pimpl_); });
234 // ***** Static functions *****
236 ActorPtr Actor::by_pid(aid_t pid)
238 kernel::actor::ActorImpl* actor = kernel::actor::ActorImpl::by_pid(pid);
239 if (actor != nullptr)
240 return actor->get_iface();
245 void Actor::kill_all()
247 const kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
248 kernel::actor::simcall([self] { self->kill_all(); });
251 const std::unordered_map<std::string, std::string>* Actor::get_properties() const
253 return pimpl_->get_properties();
256 /** Retrieve the property value (or nullptr if not set) */
257 const char* Actor::get_property(const std::string& key) const
259 return pimpl_->get_property(key);
262 void Actor::set_property(const std::string& key, const std::string& value)
264 kernel::actor::simcall([this, &key, &value] { pimpl_->set_property(key, value); });
267 Actor* Actor::restart()
269 return kernel::actor::simcall([this]() { return pimpl_->restart(); });
272 // ***** this_actor *****
274 namespace this_actor {
276 /** Returns true if run from the kernel mode, and false if run from a real actor
278 * Everything that is run out of any actor (simulation setup before the engine is run,
279 * computing the model evolutions as a result to the actors' action, etc) is run in
280 * kernel mode, just as in any operating systems.
282 * In SimGrid, the actor in charge of doing the stuff in kernel mode is called Maestro,
283 * because it is the one scheduling when the others should move or wait.
287 return SIMIX_is_maestro();
290 void sleep_for(double duration)
292 xbt_assert(std::isfinite(duration), "duration is not finite!");
294 if (duration <= 0) /* that's a no-op */
297 if (duration < sg_surf_precision) {
298 static unsigned int warned = 0; // At most 20 such warnings
301 XBT_INFO("The parameter to sleep_for() is smaller than the SimGrid numerical accuracy (%g < %g). "
302 "Please refer to https://simgrid.org/doc/latest/Configuring_SimGrid.html#numerical-precision",
303 duration, sg_surf_precision);
305 XBT_VERB("(further warnings about the numerical accuracy of sleep_for() will be omitted).");
308 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
309 Actor::on_sleep(*issuer->get_ciface());
311 kernel::actor::simcall_blocking([issuer, duration]() {
312 if (MC_is_active() || MC_record_replay_is_active()) {
313 MC_process_clock_add(issuer, duration);
314 issuer->simcall_answer();
317 kernel::activity::ActivityImplPtr sync = issuer->sleep(duration);
318 sync->register_simcall(&issuer->simcall_);
321 Actor::on_wake_up(*issuer->get_ciface());
326 kernel::actor::simcall([] { /* do nothing*/ });
329 XBT_PUBLIC void sleep_until(double wakeup_time)
331 double now = s4u::Engine::get_clock();
332 if (wakeup_time > now)
333 sleep_for(wakeup_time - now);
336 void execute(double flops)
338 execute(flops, 1.0 /* priority */);
341 void execute(double flops, double priority)
343 exec_init(flops)->set_priority(priority)->vetoable_start()->wait();
346 void parallel_execute(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
347 const std::vector<double>& bytes_amounts)
349 exec_init(hosts, flops_amounts, bytes_amounts)->wait();
352 ExecPtr exec_init(double flops_amount)
354 return Exec::init()->set_flops_amount(flops_amount)->set_host(get_host());
357 ExecPtr exec_init(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
358 const std::vector<double>& bytes_amounts)
360 xbt_assert(not hosts.empty(), "Your parallel executions must span over at least one host.");
361 xbt_assert(hosts.size() == flops_amounts.size() || flops_amounts.empty(),
362 "Host count (%zu) does not match flops_amount count (%zu).", hosts.size(), flops_amounts.size());
363 xbt_assert(hosts.size() * hosts.size() == bytes_amounts.size() || bytes_amounts.empty(),
364 "bytes_amounts must be a matrix of size host_count * host_count (%zu*%zu), but it's of size %zu.",
365 hosts.size(), hosts.size(), bytes_amounts.size());
366 /* Check that we are not mixing VMs and PMs in the parallel task */
367 bool is_a_vm = (nullptr != dynamic_cast<VirtualMachine*>(hosts.front()));
368 xbt_assert(std::all_of(hosts.begin(), hosts.end(),
369 [is_a_vm](s4u::Host* elm) {
370 bool tmp_is_a_vm = (nullptr != dynamic_cast<VirtualMachine*>(elm));
371 return is_a_vm == tmp_is_a_vm;
373 "parallel_execute: mixing VMs and PMs is not supported (yet).");
374 /* checking for infinite values */
375 xbt_assert(std::all_of(flops_amounts.begin(), flops_amounts.end(), [](double elm) { return std::isfinite(elm); }),
376 "flops_amounts comprises infinite values!");
377 xbt_assert(std::all_of(bytes_amounts.begin(), bytes_amounts.end(), [](double elm) { return std::isfinite(elm); }),
378 "flops_amounts comprises infinite values!");
380 return Exec::init()->set_flops_amounts(flops_amounts)->set_bytes_amounts(bytes_amounts)->set_hosts(hosts);
383 ExecPtr exec_async(double flops)
385 ExecPtr res = exec_init(flops);
386 res->vetoable_start();
392 return simgrid::kernel::actor::ActorImpl::self()->get_pid();
397 return simgrid::kernel::actor::ActorImpl::self()->get_ppid();
400 std::string get_name()
402 return simgrid::kernel::actor::ActorImpl::self()->get_name();
405 const char* get_cname()
407 return simgrid::kernel::actor::ActorImpl::self()->get_cname();
412 return simgrid::kernel::actor::ActorImpl::self()->get_host();
417 kernel::actor::ActorImpl* self = simgrid::kernel::actor::ActorImpl::self();
418 s4u::Actor::on_suspend(*self->get_ciface());
419 kernel::actor::simcall_blocking([self] { self->suspend(); });
424 kernel::actor::ActorImpl* self = simgrid::kernel::actor::ActorImpl::self();
425 simgrid::kernel::actor::simcall([self] { self->exit(); });
428 void on_exit(const std::function<void(bool)>& fun)
430 simgrid::kernel::actor::ActorImpl::self()->get_iface()->on_exit(fun);
433 /** @brief Moves the current actor to another host
435 * @see simgrid::s4u::Actor::migrate() for more information
437 void set_host(Host* new_host)
439 simgrid::kernel::actor::ActorImpl::self()->get_iface()->set_host(new_host);
442 } // namespace this_actor
444 } // namespace simgrid
446 /* **************************** Public C interface *************************** */
447 size_t sg_actor_count()
449 return simgrid::s4u::Engine::get_instance()->get_actor_count();
452 sg_actor_t* sg_actor_list()
454 const simgrid::s4u::Engine* e = simgrid::s4u::Engine::get_instance();
455 size_t actor_count = e->get_actor_count();
456 xbt_assert(actor_count > 0, "There is no actor!");
457 std::vector<simgrid::s4u::ActorPtr> actors = e->get_all_actors();
459 auto* res = xbt_new(sg_actor_t, actors.size());
460 for (size_t i = 0; i < actor_count; i++)
461 res[i] = actors[i].get();
465 sg_actor_t sg_actor_init(const char* name, sg_host_t host)
467 return simgrid::s4u::Actor::init(name, host).get();
470 void sg_actor_start_(sg_actor_t actor, xbt_main_func_t code, int argc, const char* const* argv)
472 simgrid::kernel::actor::ActorCode function;
474 function = simgrid::xbt::wrap_main(code, argc, argv);
475 actor->start(function);
478 sg_actor_t sg_actor_create_(const char* name, sg_host_t host, xbt_main_func_t code, int argc, const char* const* argv)
480 simgrid::kernel::actor::ActorCode function = simgrid::xbt::wrap_main(code, argc, argv);
481 return simgrid::s4u::Actor::init(name, host)->start(function).get();
484 void sg_actor_set_stacksize(sg_actor_t actor, unsigned size)
486 actor->set_stacksize(size);
491 simgrid::s4u::this_actor::exit();
495 * @brief Returns the process ID of @a actor.
497 * This function checks whether @a actor is a valid pointer and return its PID (or 0 in case of problem).
500 aid_t sg_actor_get_pid(const_sg_actor_t actor)
502 /* Do not raise an exception here: this function is called by the logs
503 * and the exceptions, so it would be called back again and again */
504 if (actor == nullptr || actor->get_impl() == nullptr)
506 return actor->get_pid();
510 * @brief Returns the process ID of the parent of @a actor.
512 * This function checks whether @a actor is a valid pointer and return its parent's PID.
513 * Returns -1 if the actor has not been created by any other actor.
515 aid_t sg_actor_get_ppid(const_sg_actor_t actor)
517 return actor->get_ppid();
521 * @brief Return a #sg_actor_t given its PID.
523 * This function search in the list of all the created sg_actor_t for a sg_actor_t whose PID is equal to @a PID.
524 * If none is found, @c nullptr is returned.
525 Note that the PID are unique in the whole simulation, not only on a given host.
527 sg_actor_t sg_actor_by_pid(aid_t pid)
529 return simgrid::s4u::Actor::by_pid(pid).get();
532 aid_t sg_actor_get_PID(const_sg_actor_t actor) // XBT_ATTRIB_DEPRECATED_v331
534 return sg_actor_get_pid(actor);
537 aid_t sg_actor_get_PPID(const_sg_actor_t actor) // XBT_ATTRIB_DEPRECATED_v331
539 return sg_actor_get_ppid(actor);
542 sg_actor_t sg_actor_by_PID(aid_t pid) // XBT_ATTRIB_DEPRECATED_v331
544 return sg_actor_by_pid(pid);
547 /** @brief Return the name of an actor. */
548 const char* sg_actor_get_name(const_sg_actor_t actor)
550 return actor->get_cname();
553 sg_host_t sg_actor_get_host(const_sg_actor_t actor)
555 return actor->get_host();
559 * @brief Returns the value of a given actor property
561 * @param actor an actor
562 * @param name a property name
563 * @return value of a property (or nullptr if the property is not set)
565 const char* sg_actor_get_property_value(const_sg_actor_t actor, const char* name)
567 return actor->get_property(name);
571 * @brief Return the list of properties
573 * This function returns all the parameters associated with an actor
575 xbt_dict_t sg_actor_get_properties(const_sg_actor_t actor)
577 xbt_assert(actor != nullptr, "Invalid parameter: First argument must not be nullptr");
578 xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f);
579 const std::unordered_map<std::string, std::string>* props = actor->get_properties();
580 if (props == nullptr)
582 for (auto const& kv : *props) {
583 xbt_dict_set(as_dict, kv.first.c_str(), xbt_strdup(kv.second.c_str()));
589 * @brief Suspend the actor.
591 * This function suspends the actor by suspending the task on which it was waiting for the completion.
593 void sg_actor_suspend(sg_actor_t actor)
595 xbt_assert(actor != nullptr, "Invalid parameter: First argument must not be nullptr");
600 * @brief Resume a suspended actor.
602 * This function resumes a suspended actor by resuming the task on which it was waiting for the completion.
604 void sg_actor_resume(sg_actor_t actor)
606 xbt_assert(actor != nullptr, "Invalid parameter: First argument must not be nullptr");
611 * @brief Returns true if the actor is suspended .
613 * This checks whether an actor is suspended or not by inspecting the task on which it was waiting for the completion.
615 int sg_actor_is_suspended(const_sg_actor_t actor)
617 return actor->is_suspended();
620 /** @brief Restarts an actor from the beginning. */
621 sg_actor_t sg_actor_restart(sg_actor_t actor)
623 return actor->restart();
627 * @brief Sets the "auto-restart" flag of the actor.
628 * If the flag is set to 1, the actor will be automatically restarted when its host comes back up.
630 void sg_actor_set_auto_restart(sg_actor_t actor, int auto_restart)
632 actor->set_auto_restart(auto_restart);
635 /** @brief This actor will be terminated automatically when the last non-daemon actor finishes */
636 void sg_actor_daemonize(sg_actor_t actor)
641 /** Returns whether or not this actor has been daemonized or not */
642 int sg_actor_is_daemon(const_sg_actor_t actor)
644 return actor->is_daemon();
648 * @brief Migrates an actor to another location.
650 * This function changes the value of the #sg_host_t on which @a actor is running.
652 void sg_actor_set_host(sg_actor_t actor, sg_host_t host)
654 actor->set_host(host);
658 * @brief Wait for the completion of a #sg_actor_t.
660 * @param actor the actor to wait for
661 * @param timeout wait until the actor is over, or the timeout expires
663 void sg_actor_join(const_sg_actor_t actor, double timeout)
665 actor->join(timeout);
668 void sg_actor_kill(sg_actor_t actor)
673 void sg_actor_kill_all()
675 simgrid::s4u::Actor::kill_all();
679 * @brief Set the kill time of an actor.
681 * @param actor an actor
682 * @param kill_time the time when the actor is killed.
684 void sg_actor_set_kill_time(sg_actor_t actor, double kill_time)
686 actor->set_kill_time(kill_time);
689 /** Yield the current actor; let the other actors execute first */
690 void sg_actor_yield()
692 simgrid::s4u::this_actor::yield();
695 void sg_actor_sleep_for(double duration)
697 simgrid::s4u::this_actor::sleep_for(duration);
700 void sg_actor_sleep_until(double wakeup_time)
702 simgrid::s4u::this_actor::sleep_until(wakeup_time);
705 sg_actor_t sg_actor_attach(const char* name, void* data, sg_host_t host, xbt_dict_t properties)
707 xbt_assert(host != nullptr, "Invalid parameters: host and code params must not be nullptr");
708 std::unordered_map<std::string, std::string> props;
709 xbt_dict_cursor_t cursor = nullptr;
712 xbt_dict_foreach (properties, cursor, key, value)
714 xbt_dict_free(&properties);
716 /* Let's create the actor: SIMIX may decide to start it right now, even before returning the flow control to us */
717 smx_actor_t actor = nullptr;
719 actor = simgrid::kernel::actor::ActorImpl::attach(name, data, host).get();
720 actor->set_properties(props);
721 } catch (simgrid::HostFailureException const&) {
722 xbt_die("Could not attach");
725 simgrid::s4u::this_actor::yield();
726 return actor->get_ciface();
729 void sg_actor_detach()
731 simgrid::kernel::actor::ActorImpl::detach();
734 aid_t sg_actor_self_get_pid()
736 return simgrid::s4u::this_actor::get_pid();
739 aid_t sg_actor_self_get_ppid()
741 return simgrid::s4u::this_actor::get_ppid();
744 const char* sg_actor_self_get_name()
746 return simgrid::s4u::this_actor::get_cname();
749 void* sg_actor_self_get_data()
751 return simgrid::s4u::Actor::self()->get_data();
754 void sg_actor_self_set_data(void* userdata)
756 simgrid::s4u::Actor::self()->set_data(userdata);
759 void* sg_actor_self_data() // XBT_ATTRIB_DEPRECATED_v330
761 return sg_actor_self_get_data();
764 void sg_actor_self_data_set(void* userdata) // XBT_ATTRIB_DEPRECATED_v330
766 sg_actor_self_set_data(userdata);
769 sg_actor_t sg_actor_self()
771 return simgrid::s4u::Actor::self();
774 void sg_actor_self_execute(double flops) // XBT_ATTRIB_DEPRECATED_v330
776 simgrid::s4u::this_actor::execute(flops);
779 void sg_actor_execute(double flops)
781 simgrid::s4u::this_actor::execute(flops);
783 void sg_actor_execute_with_priority(double flops, double priority)
785 simgrid::s4u::this_actor::exec_init(flops)->set_priority(priority)->wait();
788 void sg_actor_parallel_execute(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount)
790 std::vector<simgrid::s4u::Host*> hosts(host_list, host_list + host_nb);
791 std::vector<double> flops;
792 std::vector<double> bytes;
793 if (flops_amount != nullptr)
794 flops = std::vector<double>(flops_amount, flops_amount + host_nb);
795 if (bytes_amount != nullptr)
796 bytes = std::vector<double>(bytes_amount, bytes_amount + host_nb * host_nb);
798 simgrid::s4u::this_actor::parallel_execute(hosts, flops, bytes);
801 /** @brief Take an extra reference on that actor to prevent it to be garbage-collected */
802 void sg_actor_ref(const_sg_actor_t actor)
804 intrusive_ptr_add_ref(actor);
806 /** @brief Release a reference on that actor so that it can get be garbage-collected */
807 void sg_actor_unref(const_sg_actor_t actor)
809 intrusive_ptr_release(actor);
812 /** @brief Return the user data of a #sg_actor_t */
813 void* sg_actor_get_data(const_sg_actor_t actor)
815 return actor->get_data();
818 /** @brief Set the user data of a #sg_actor_t */
819 void sg_actor_set_data(sg_actor_t actor, void* userdata)
821 actor->set_data(userdata);
824 void* sg_actor_data(const_sg_actor_t actor) // XBT_ATTRIB_DEPRECATED_v330
826 return sg_actor_get_data(actor);
829 void sg_actor_data_set(sg_actor_t actor, void* userdata) // XBT_ATTRIB_DEPRECATED_v330
831 sg_actor_set_data(actor, userdata);
834 /** @brief Add a function to the list of "on_exit" functions for the current actor.
835 * The on_exit functions are the functions executed when your actor is killed.
836 * You should use them to free the data used by your actor.
838 void sg_actor_on_exit(void_f_int_pvoid_t fun, void* data)
840 simgrid::s4u::this_actor::on_exit([fun, data](bool failed) { fun(failed ? 1 /*FAILURE*/ : 0 /*SUCCESS*/, data); });
843 sg_exec_t sg_actor_exec_init(double computation_amount)
845 simgrid::s4u::ExecPtr exec = simgrid::s4u::this_actor::exec_init(computation_amount);
850 sg_exec_t sg_actor_parallel_exec_init(int host_nb, const sg_host_t* host_list, double* flops_amount,
851 double* bytes_amount)
853 std::vector<simgrid::s4u::Host*> hosts(host_list, host_list + host_nb);
854 std::vector<double> flops;
855 std::vector<double> bytes;
856 if (flops_amount != nullptr)
857 flops = std::vector<double>(flops_amount, flops_amount + host_nb);
858 if (bytes_amount != nullptr)
859 bytes = std::vector<double>(bytes_amount, bytes_amount + host_nb * host_nb);
861 simgrid::s4u::ExecPtr exec = simgrid::s4u::this_actor::exec_init(hosts, flops, bytes);
866 sg_exec_t sg_actor_exec_async(double computation_amount)
868 simgrid::s4u::ExecPtr exec = simgrid::s4u::this_actor::exec_async(computation_amount);